Mathematics · 2018
JEE Main · 15 April 2018, Shift 1 · Q73
If a right circular cone, having maximum volume, is inscribed in a sphere of radius 3 cm, then the curved surface area (in cm^2 ) of this cone is:
If a right circular cone, having maximum volume, is inscribed in a sphere of radius $\displaystyle 3$ cm, then the curved surface area (in $\displaystyle \mathrm{cm}^2$ ) of this cone is :
Official answer
(4)
$\displaystyle 8 \sqrt{3} \pi$
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JEE Main 2018 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.